Examples with ProcessEventHandlerDefinition com.serotonin.m2m2.module.definitions.event.handlers.ProcessEventHandlerDefinition used on opensource projects

Example 1 with ProcessEventHandlerDefinition

use of com.serotonin.m2m2.module.definitions.event.handlers.ProcessEventHandlerDefinition in project ma-core-public by infiniteautomation.

the class DataSourceDaoDeadlockDetection method detectDeadlockWithEventHandlerRoleMappingandDataSourceTablesExplicit.

@Test
public void detectDeadlockWithEventHandlerRoleMappingandDataSourceTablesExplicit() {
    // This will create 2x threads for each operating as one of the desired problem scenarios
    int numThreads = 5;
    int numDataSources = 10;
    AtomicInteger running = new AtomicInteger(numThreads * 2);
    PermissionService permissionService = Common.getBean(PermissionService.class);
    // Insert some roles
    int roleCount = 0;
    RoleService roleService = Common.getBean(RoleService.class);
    List<RoleVO> roleVOs = new ArrayList<>();
    Set<Role> roles = new HashSet<>();
    for (int i = 0; i < roleCount; i++) {
        RoleVO role = new RoleVO(Common.NEW_ID, Common.generateXid("ROLE_"), "Role " + i);
        roleVOs.add(role);
        roleService.insert(role);
        roles.add(role.getRole());
    }
    DataSource dataSource = Common.getBean(DatabaseProxy.class).getDataSource();
    JdbcConnectionPool pool = (JdbcConnectionPool) dataSource;
    pool.setMaxConnections(numThreads * 2);
    PlatformTransactionManager transactionManager = Common.getBean(DatabaseProxy.class).getTransactionManager();
    AtomicInteger successes = new AtomicInteger();
    AtomicInteger failures = new AtomicInteger();
    MutableObject<Exception> failure = new MutableObject<>(null);
    for (int i = 0; i < numThreads; i++) {
        // #5 lock eventHandlerMappings and roleMappings and then try to lock dataSources
        // Basically delete a data source
        new Thread() {

            @Override
            public void run() {
                try {
                    for (int i = 0; i < numDataSources; i++) {
                        // Insert an event handler
                        EventHandlerService eventHandlerService = Common.getBean(EventHandlerService.class);
                        ProcessEventHandlerVO eh = new ProcessEventHandlerVO();
                        eh.setDefinition(new ProcessEventHandlerDefinition());
                        eh.setName(Common.generateXid("Handler "));
                        eh.setActiveProcessCommand("ls");
                        eventHandlerService.insert(eh);
                        ExtendedJdbcTemplate ejt = new ExtendedJdbcTemplate(dataSource);
                        // Get event handler
                        AbstractEventHandlerVO myEventHandler = eventHandlerService.get(eh.getXid());
                        // Create data source
                        MockDataSourceVO ds = new MockDataSourceVO();
                        ds.setName(Common.generateXid("Mock "));
                        DataSourceService dataSourceService = Common.getBean(DataSourceService.class);
                        dataSourceService.insert(ds);
                        // Insert a mapping
                        myEventHandler.setEventTypes(Collections.singletonList(new EventTypeMatcher(new DataSourceEventType(ds.getId(), ds.getPollAbortedExceptionEventId()))));
                        eventHandlerService.update(eh.getXid(), myEventHandler);
                        new TransactionTemplate(transactionManager).execute((status) -> {
                            // The order of these statements matters for deadlock, we must always lock groups of tables in the same order
                            ejt.update("DELETE FROM dataSources WHERE id=?", new Object[] { ds.getId() });
                            ejt.update("DELETE FROM eventHandlersMapping WHERE eventTypeName=? AND eventTypeRef1=?", new Object[] { EventTypeNames.DATA_SOURCE, ds.getId() });
                            return null;
                        });
                        successes.getAndIncrement();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                    failure.setValue(e);
                    failures.getAndIncrement();
                } finally {
                    running.decrementAndGet();
                }
            }
        }.start();
        // #8 lock dataSources and try to lock roleMappings
        // Basically update a data source
        new Thread() {

            @Override
            public void run() {
                try {
                    for (int i = 0; i < numDataSources; i++) {
                        ExtendedJdbcTemplate ejt = new ExtendedJdbcTemplate(dataSource);
                        // Insert an event handler
                        EventHandlerService eventHandlerService = Common.getBean(EventHandlerService.class);
                        ProcessEventHandlerVO eh = new ProcessEventHandlerVO();
                        eh.setDefinition(new ProcessEventHandlerDefinition());
                        eh.setName(Common.generateXid("Handler "));
                        eh.setActiveProcessCommand("ls");
                        eventHandlerService.insert(eh);
                        // Get event handler
                        AbstractEventHandlerVO myEventHandler = eventHandlerService.get(eh.getXid());
                        // Create data source
                        MockDataSourceVO ds = new MockDataSourceVO();
                        ds.setName(Common.generateXid("Mock "));
                        DataSourceService dataSourceService = Common.getBean(DataSourceService.class);
                        dataSourceService.insert(ds);
                        // Insert a mapping
                        myEventHandler.setEventTypes(Collections.singletonList(new EventTypeMatcher(new DataSourceEventType(ds.getId(), ds.getPollAbortedExceptionEventId()))));
                        eventHandlerService.update(eh.getXid(), myEventHandler);
                        new TransactionTemplate(transactionManager).execute((status) -> {
                            ejt.update("UPDATE dataSources SET xid=? WHERE id=?", new Object[] { ds.getXid() + "1", ds.getId() });
                            return null;
                        });
                        successes.getAndIncrement();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                    failure.setValue(e);
                    failures.getAndIncrement();
                } finally {
                    running.decrementAndGet();
                }
            }
        }.start();
    }
    while (running.get() > 0) {
        try {
            Thread.sleep(100);
        } catch (Exception e) {
        }
    }
    if (failures.get() > 0) {
        fail("Ran " + successes.get() + " queries: " + failure.getValue().getMessage());
    }
}

Example 2 with ProcessEventHandlerDefinition

use of com.serotonin.m2m2.module.definitions.event.handlers.ProcessEventHandlerDefinition in project ma-core-public by infiniteautomation.

the class DataSourceDaoDeadlockDetection method detectDeadlockWithEventHandlerRoleMappingandDataSourceTablesUsingDaos.

@Test
public void detectDeadlockWithEventHandlerRoleMappingandDataSourceTablesUsingDaos() {
    // This will create 2x threads for each operating as one of the desired problem scenarios
    // 25;
    int numThreads = 5;
    // 100;
    int numDataSources = 10;
    AtomicInteger running = new AtomicInteger(numThreads * 2);
    PermissionService permissionService = Common.getBean(PermissionService.class);
    DataSource dataSource = Common.getBean(DatabaseProxy.class).getDataSource();
    JdbcConnectionPool pool = (JdbcConnectionPool) dataSource;
    pool.setMaxConnections(numThreads * 100);
    AtomicInteger successes = new AtomicInteger();
    AtomicInteger failures = new AtomicInteger();
    MutableObject<Exception> failure = new MutableObject<>(null);
    for (int i = 0; i < numThreads; i++) {
        // #5 lock eventHandlerMappings and roleMappings and then try to lock dataSources
        // Basically delete a data source
        new Thread() {

            @Override
            public void run() {
                try {
                    for (int i = 0; i < numDataSources; i++) {
                        // Insert an event handler
                        EventHandlerService eventHandlerService = Common.getBean(EventHandlerService.class);
                        ProcessEventHandlerVO eh = new ProcessEventHandlerVO();
                        eh.setDefinition(new ProcessEventHandlerDefinition());
                        eh.setName(Common.generateXid("Handler "));
                        eh.setActiveProcessCommand("ls");
                        eventHandlerService.insert(eh);
                        ExtendedJdbcTemplate ejt = new ExtendedJdbcTemplate(dataSource);
                        // Get event handler
                        AbstractEventHandlerVO myEventHandler = eventHandlerService.get(eh.getXid());
                        // Create data source
                        MockDataSourceVO ds = new MockDataSourceVO();
                        ds.setName(Common.generateXid("Mock "));
                        DataSourceService dataSourceService = Common.getBean(DataSourceService.class);
                        dataSourceService.insert(ds);
                        // Insert a mapping
                        myEventHandler.setEventTypes(Collections.singletonList(new EventTypeMatcher(new DataSourceEventType(ds.getId(), ds.getPollAbortedExceptionEventId()))));
                        eventHandlerService.update(eh.getXid(), myEventHandler);
                        dataSourceService.delete(ds.getId());
                        successes.getAndIncrement();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                    failure.setValue(e);
                    failures.getAndIncrement();
                } finally {
                    running.decrementAndGet();
                }
            }
        }.start();
        // #8 lock dataSources and try to lock roleMappings
        // Basically update a data source
        new Thread() {

            @Override
            public void run() {
                try {
                    for (int i = 0; i < numDataSources; i++) {
                        ExtendedJdbcTemplate ejt = new ExtendedJdbcTemplate(dataSource);
                        // Insert an event handler
                        EventHandlerService eventHandlerService = Common.getBean(EventHandlerService.class);
                        ProcessEventHandlerVO eh = new ProcessEventHandlerVO();
                        eh.setDefinition(new ProcessEventHandlerDefinition());
                        eh.setName(Common.generateXid("Handler "));
                        eh.setActiveProcessCommand("ls");
                        eventHandlerService.insert(eh);
                        // Get event handler
                        AbstractEventHandlerVO myEventHandler = eventHandlerService.get(eh.getXid());
                        // Create data source
                        MockDataSourceVO ds = new MockDataSourceVO();
                        ds.setName(Common.generateXid("Mock "));
                        DataSourceService dataSourceService = Common.getBean(DataSourceService.class);
                        dataSourceService.insert(ds);
                        // Insert a mapping
                        myEventHandler.setEventTypes(Collections.singletonList(new EventTypeMatcher(new DataSourceEventType(ds.getId(), ds.getPollAbortedExceptionEventId()))));
                        eventHandlerService.update(eh.getXid(), myEventHandler);
                        ds.setXid(ds.getXid() + 1);
                        dataSourceService.update(ds.getId(), ds);
                        successes.getAndIncrement();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                    failure.setValue(e);
                    failures.getAndIncrement();
                } finally {
                    running.decrementAndGet();
                }
            }
        }.start();
    }
    while (running.get() > 0) {
        try {
            Thread.sleep(100);
        } catch (Exception e) {
        }
    }
    if (failures.get() > 0) {
        fail("Ran " + successes.get() + " queries: " + failure.getValue().getMessage());
    }
}